<script>
    let person = {age : 12, name : "Amy"} // 声明一个对象
    let person2 = {...person}  // 复制一个对象
    console.log(person)
    console.log(person2)

    let age = {age : 15}
    let name = {name : "jack"}
    let person3 = {...age, ...name}  // 合并一个对象
    console.log(person3)

</script>